mirror of https://github.com/PCSX2/pcsx2.git
513 lines
12 KiB
C++
513 lines
12 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2021 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "GSBlock.h"
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#include "GSClut.h"
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#include <gtest/gtest.h>
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#include <string.h>
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static void swizzle(const u8* table, u8* dst, const u8* src, int bpp, bool deswizzle)
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{
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int pxbytes = bpp / 8;
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for (int i = 0; i < (256 / pxbytes); i++)
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{
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int soff = (deswizzle ? table[i] : i) * pxbytes;
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int doff = (deswizzle ? i : table[i]) * pxbytes;
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memcpy(&dst[doff], &src[soff], pxbytes);
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}
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}
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static void swizzle4(const u16* table, u8* dst, const u8* src, bool deswizzle)
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{
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for (int i = 0; i < 512; i++)
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{
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int soff = (deswizzle ? table[i] : i);
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int doff = (deswizzle ? i : table[i]);
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int spx = src[soff >> 1] >> ((soff & 1) * 4) & 0xF;
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u8* dpx = &dst[doff >> 1];
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int dshift = (doff & 1) * 4;
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*dpx &= (0xF0 >> dshift);
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*dpx |= (spx << dshift);
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}
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}
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static void swizzleH(const u8* table, u32* dst, const u8* src, int bpp, int shift)
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{
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for (int i = 0; i < 64; i++)
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{
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int spx;
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if (bpp == 8)
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spx = src[i];
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else
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spx = (src[i >> 1] >> ((i & 1) * 4)) & 0xF;
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spx <<= shift;
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dst[table[i]] = spx;
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}
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}
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static void expand16(u32* dst, const u16* src, const GIFRegTEXA& texa)
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{
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for (int i = 0; i < 128; i++)
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{
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int r = (src[i] << 3) & 0x0000F8;
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int g = (src[i] << 6) & 0x00F800;
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int b = (src[i] << 9) & 0xF80000;
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dst[i] = r | g | b;
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if (src[i] & 0x8000)
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{
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dst[i] |= texa.TA1 << 24;
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}
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else if (!texa.AEM || src[i])
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{
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dst[i] |= texa.TA0 << 24;
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}
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}
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}
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static void expand8(u32* dst, const u8* src, const u32* palette)
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{
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for (int i = 0; i < 256; i++)
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{
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dst[i] = palette[src[i]];
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}
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}
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static void expand4(u32* dst, const u8* src, const u32* palette)
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{
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for (int i = 0; i < 512; i++)
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{
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dst[i] = palette[(src[i >> 1] >> ((i & 1) * 4)) & 0xF];
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}
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}
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static void expand4P(u8* dst, const u8* src)
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{
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for (int i = 0; i < 512; i++)
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{
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dst[i] = (src[i >> 1] >> ((i & 1) * 4)) & 0xF;
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}
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}
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static void expandH(u32* dst, const u32* src, const u32* palette, int shift, int mask)
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{
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for (int i = 0; i < 64; i++)
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{
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dst[i] = palette[(src[i] >> shift) & mask];
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}
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}
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static void expandHP(u8* dst, const u32* src, int shift, int mask)
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{
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for (int i = 0; i < 64; i++)
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{
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dst[i] = (src[i] >> shift) & mask;
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}
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}
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static std::string image2hex(const u8* bin, int rows, int columns, int bpp)
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{
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std::string out;
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const char* hex = "0123456789ABCDEF";
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for (int y = 0; y < rows; y++)
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{
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if (y != 0)
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out.push_back('\n');
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for (int x = 0; x < columns; x++)
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{
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if (x != 0)
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out.push_back(' ');
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if (bpp == 4)
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{
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if (x & 1)
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{
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out.push_back(hex[*bin >> 4]);
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bin++;
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}
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else
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{
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out.push_back(hex[*bin & 0xF]);
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}
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}
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else
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{
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for (int z = 0; z < (bpp / 8); z++)
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{
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out.push_back(hex[*bin >> 4]);
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out.push_back(hex[*bin & 0xF]);
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bin++;
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}
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}
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}
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}
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return out;
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}
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struct TestData
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{
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alignas(64) u8 block[256];
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alignas(64) u8 output[256 * (32 / 4)];
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alignas(64) u32 clut32[256];
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alignas(64) u64 clut64[256];
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/// Get some input data with pixel values counting up from 0
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static TestData Linear()
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{
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TestData output;
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memset(output.output, 0, sizeof(output.output));
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for (int i = 0; i < 256; i++)
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{
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output.block[i] = i;
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output.clut32[i] = i | (i << 16);
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}
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GSClut::ExpandCLUT64_T32_I8(output.clut32, output.clut64);
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return output;
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}
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/// Get some input data with random-ish (but consistent across runs) pixel values
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static TestData Random()
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{
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srand(0);
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TestData output;
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memset(output.output, 0, sizeof(output.output));
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for (int i = 0; i < 256; i++)
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{
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output.block[i] = rand();
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output.clut32[i] = rand();
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}
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GSClut::ExpandCLUT64_T32_I8(output.clut32, output.clut64);
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return output;
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}
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/// Move data from output back to block to run an expand
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TestData prepareExpand()
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{
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TestData output = *this;
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memcpy(output.block, output.output, sizeof(output.block));
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return output;
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}
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};
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static TestData swizzle(const u8* table, TestData data, int bpp, bool deswizzle)
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{
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swizzle(table, data.output, data.block, bpp, deswizzle);
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return data;
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}
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static TestData swizzle4(const u16* table, TestData data, bool deswizzle)
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{
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swizzle4(table, data.output, data.block, deswizzle);
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return data;
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}
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static TestData swizzleH(const u8* table, TestData data, int bpp, int shift)
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{
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swizzleH(table, reinterpret_cast<u32*>(data.output), data.block, bpp, shift);
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return data;
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}
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static TestData expand16(TestData data, const GIFRegTEXA& texa)
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{
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expand16(reinterpret_cast<u32*>(data.output), reinterpret_cast<const u16*>(data.block), texa);
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return data;
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}
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static TestData expand8(TestData data)
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{
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expand8(reinterpret_cast<u32*>(data.output), data.block, data.clut32);
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return data;
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}
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static TestData expand4(TestData data)
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{
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expand4(reinterpret_cast<u32*>(data.output), data.block, data.clut32);
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return data;
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}
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static TestData expand4P(TestData data)
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{
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expand4P(data.output, data.block);
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return data;
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}
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static TestData expandH(TestData data, int shift, int mask)
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{
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expandH(reinterpret_cast<u32*>(data.output), reinterpret_cast<const u32*>(data.block), data.clut32, shift, mask);
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return data;
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}
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static TestData expandHP(TestData data, int shift, int mask)
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{
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expandHP(data.output, reinterpret_cast<u32*>(data.block), shift, mask);
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return data;
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}
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static void runTest(void (*fn)(TestData))
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{
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fn(TestData::Linear());
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fn(TestData::Random());
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}
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static void assertEqual(const TestData& expected, const TestData& actual, const char* name, int rows, int columns, int bpp)
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{
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std::string estr = image2hex(expected.output, rows, columns, bpp);
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std::string astr = image2hex(actual.output, rows, columns, bpp);
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EXPECT_STREQ(estr.c_str(), astr.c_str()) << "Unexpected " << name;
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}
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TEST(ReadTest, Read32)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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GSBlock::ReadBlock32(data.block, data.output, 32);
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assertEqual(expected, data, "Read32", 8, 8, 32);
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});
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}
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TEST(WriteTest, Write32)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, false);
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GSBlock::WriteBlock32<32, 0xFFFFFFFF>(data.output, data.block, 32);
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assertEqual(expected, data, "Write32", 8, 8, 32);
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});
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}
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TEST(ReadTest, Read16)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable16[0][0], data, 16, true);
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GSBlock::ReadBlock16(data.block, data.output, 32);
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assertEqual(expected, data, "Read16", 8, 16, 16);
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});
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}
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TEST(ReadAndExpandTest, Read16)
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{
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runTest([](TestData data)
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{
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GIFRegTEXA texa = {0};
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texa.TA0 = 1;
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texa.TA1 = 2;
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TestData expected = swizzle(&columnTable16[0][0], data, 16, true);
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expected = expand16(expected.prepareExpand(), texa);
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GSBlock::ReadAndExpandBlock16<false>(data.block, data.output, 64, texa);
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assertEqual(expected, data, "ReadAndExpand16", 8, 16, 32);
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});
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}
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TEST(ReadAndExpandTest, Read16AEM)
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{
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runTest([](TestData data)
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{
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// Actually test AEM
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u8 idx = data.block[0] >> 1;
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data.block[idx * 2 + 0] = 0;
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data.block[idx * 2 + 1] = 0;
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GIFRegTEXA texa = {0};
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texa.TA0 = 1;
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texa.TA1 = 2;
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texa.AEM = 1;
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TestData expected = swizzle(&columnTable16[0][0], data, 16, true);
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expected = expand16(expected.prepareExpand(), texa);
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GSBlock::ReadAndExpandBlock16<true>(data.block, data.output, 64, texa);
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assertEqual(expected, data, "ReadAndExpand16AEM", 8, 16, 32);
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});
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}
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TEST(WriteTest, Write16)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable16[0][0], data, 16, false);
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GSBlock::WriteBlock16<32>(data.output, data.block, 32);
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assertEqual(expected, data, "Read16", 8, 16, 16);
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});
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}
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TEST(ReadTest, Read8)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable8[0][0], data, 8, true);
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GSBlock::ReadBlock8(data.block, data.output, 16);
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assertEqual(expected, data, "Read8", 16, 16, 8);
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});
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}
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TEST(ReadAndExpandTest, Read8)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable8[0][0], data, 8, true);
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expected = expand8(expected.prepareExpand());
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GSBlock::ReadAndExpandBlock8_32(data.block, data.output, 64, data.clut32);
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assertEqual(expected, data, "ReadAndExpand8", 16, 16, 32);
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});
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}
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TEST(WriteTest, Write8)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable8[0][0], data, 8, false);
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GSBlock::WriteBlock8<32>(data.output, data.block, 16);
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assertEqual(expected, data, "Write8", 16, 16, 8);
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});
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}
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TEST(ReadTest, Read8H)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandHP(expected.prepareExpand(), 24, 0xFF);
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GSBlock::ReadBlock8HP(data.block, data.output, 8);
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assertEqual(expected, data, "Read8H", 8, 8, 8);
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});
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}
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TEST(ReadAndExpandTest, Read8H)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandH(expected.prepareExpand(), 24, 0xFF);
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GSBlock::ReadAndExpandBlock8H_32(data.block, data.output, 32, data.clut32);
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assertEqual(expected, data, "ReadAndExpand8H", 8, 8, 32);
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});
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}
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TEST(WriteTest, Write8H)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzleH(&columnTable32[0][0], data, 8, 24);
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GSBlock::UnpackAndWriteBlock8H(data.block, 8, data.output);
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assertEqual(expected, data, "Write8H", 8, 8, 32);
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});
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}
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TEST(ReadTest, Read4)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle4(&columnTable4[0][0], data, true);
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GSBlock::ReadBlock4(data.block, data.output, 16);
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assertEqual(expected, data, "Read4", 16, 32, 4);
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});
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}
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TEST(ReadTest, Read4P)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle4(&columnTable4[0][0], data, true);
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expected = expand4P(expected.prepareExpand());
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GSBlock::ReadBlock4P(data.block, data.output, 32);
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assertEqual(expected, data, "Read4P", 16, 32, 8);
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});
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}
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TEST(ReadAndExpandTest, Read4)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle4(&columnTable4[0][0], data, true);
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expected = expand4(expected.prepareExpand());
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GSBlock::ReadAndExpandBlock4_32(data.block, data.output, 128, data.clut32);
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assertEqual(expected, data, "ReadAndExpand4", 16, 32, 32);
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});
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}
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TEST(WriteTest, Write4)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle4(&columnTable4[0][0], data, false);
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GSBlock::WriteBlock4<32>(data.output, data.block, 16);
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assertEqual(expected, data, "Write4", 16, 16, 4);
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});
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}
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TEST(ReadTest, Read4HH)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandHP(expected.prepareExpand(), 28, 0xF);
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GSBlock::ReadBlock4HHP(data.block, data.output, 8);
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assertEqual(expected, data, "Read4HH", 8, 8, 8);
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});
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}
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TEST(ReadAndExpandTest, Read4HH)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandH(expected.prepareExpand(), 28, 0xF);
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GSBlock::ReadAndExpandBlock4HH_32(data.block, data.output, 32, data.clut32);
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assertEqual(expected, data, "ReadAndExpand4HH", 8, 8, 32);
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});
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}
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TEST(WriteTest, Write4HH)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzleH(&columnTable32[0][0], data, 4, 28);
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GSBlock::UnpackAndWriteBlock4HH(data.block, 4, data.output);
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assertEqual(expected, data, "Write4HH", 8, 8, 32);
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});
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}
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TEST(ReadTest, Read4HL)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandHP(expected.prepareExpand(), 24, 0xF);
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GSBlock::ReadBlock4HLP(data.block, data.output, 8);
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assertEqual(expected, data, "Read4HL", 8, 8, 8);
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});
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}
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TEST(ReadAndExpandTest, Read4HL)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzle(&columnTable32[0][0], data, 32, true);
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expected = expandH(expected.prepareExpand(), 24, 0xF);
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GSBlock::ReadAndExpandBlock4HL_32(data.block, data.output, 32, data.clut32);
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assertEqual(expected, data, "ReadAndExpand4HL", 8, 8, 32);
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});
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}
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TEST(WriteTest, Write4HL)
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{
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runTest([](TestData data)
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{
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TestData expected = swizzleH(&columnTable32[0][0], data, 4, 24);
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GSBlock::UnpackAndWriteBlock4HL(data.block, 4, data.output);
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assertEqual(expected, data, "Write4HL", 8, 8, 32);
|
|
});
|
|
}
|